DTC B18E4 Dodge

ECT Sensor Circuit Continuity

ECT Sensor Circuit Continuity

Description

Engine started (cold) for 10 seconds, battery voltage must be 11.5, and all equipment must be off. The DME detected the ECT sensor signal was out of the specified range. This is a thermistor-type sensor with a variable resistance that changes when exposed to different temperatures

Cause and Solution

ECT sensor signal circuit is open (inspect wiring amp; connector) ECT sensor signal circuit is shorted to ground ECT sensor is damaged or it has failed

Video Guide

Duration: PT4M12S | Uploaded: 2020-07-12

Diagnostic Info

  • DTC Code: B18E4
  • Brand: Dodge
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